623 – HI NOx Value
Yellow alarm.
Associated parameter 2.3050.026
Cause
Corrective action
NOx emissions have exceeded the
first limit value
1. Check gas quality if feasible.
2. Check NOx sensor.
3. Check emissions.
624 – HIHI NOx Value
Yellow alarm.
Associated parameter 2.3050.027
Cause
Corrective action
NOx emissions have exceeded the
second limit value
1. Check gas quality if feasible.
2. Check NOx sensor.
3. Check emissions.
633 – SD P-Ambient Air (HDT2800)
none
Associated parameter 1.0700.087
Cause
Corrective action
Air moisture sensor defect
u
Sensor currently not in standard scope of delivery.
634 – SD T0-Ambient Air (HDT2800)
none
Associated parameter 1.0700.089
Cause
Corrective action
Air moisture sensor defect
u
Sensor currently not in standard scope of delivery.
635 – SD Air humidity (HDT2800)
none
Associated parameter 1.0700.091
Cause
Corrective action
Air moisture sensor defect
u
Sensor currently not in standard scope of delivery.
642 – SD Electr. Motor Power AI2
Yellow alarm.
Associated parameter 2.8006.040
Cause
Corrective action
Motor power sensor defect
(analog input 2)
1. Generator eff. power not correctly transmitted.
2. Generator eff. power can also be transmitted via CAN bus as an
option.
3. Check configuration of plant control system.
MS150098/02E 2016-11
| Troubleshooting | 119
TIM-ID: 0000027858 - 001